Individuals are often presented as if a value scale is hard-wired in their heads. Allegedly, this value scale remains the same all the time. As a result, this value scale supposedly instructs individuals in the selection of goods. Were that the case, then it makes sense to attempt to extract this value scale either by means of questionnaires or various psychological tests. Once the value scale is extracted, social scientists could establish how to allocate scarce resources in the most efficient way.
“Value is thus nothing inherent in goods, no property of them, nor an independent thing existing by itself. It is a judgment economizing men make about the importance of the goods at their disposal for the maintenance of their lives and wellbeing. Hence value does not exist outside the consciousness of men.”
The view that the value scale is hard-wired in people’s heads provides the foundation for the simplistic supply-demand curve framework. Thus, according to popular thinking, at a given price, there is going to be a particular quantity of goods supplied and demanded.
Following the law of a declining marginal utility and a fixed valuation scale, one could infer that, as a given price of a good declines, its quantity demanded increases while the quantity supplied declines. The culmination of the entire process is the intersection of the supply-demand curves, which establishes the equilibrium price. At this price, the quantity supplied is equal to the quantity demanded.
“A market price is a real historical phenomenon, the quantitative ratio at which at a definite place and at a definite date two individuals exchanged definite quantities of two definite goods. It refers to the special conditions of the concrete act of exchange. It is ultimately determined by the value judgments of the individuals involved. It is not derived from the general price structure or from the structure of the prices of a special class of commodities or services. What is called the price structure is an abstract notion derived from a multiplicity of individual concrete prices. The market does not generate prices of land or motorcars in general nor wage rates in general, but prices for a certain piece of land and for a certain car and wage rates for a performance of a certain kind.”
As a rule, it is a supplier who “sets” or offers the price. After all, it is the supplier who offers the goods to the buyers. It is the supplier who must estimate the asking price of a good before he presents the good to the buyers. In order to secure this price, the price that the supplier asks for must cover its direct and indirect costs and provide a margin for profit. By determining the asking price, the supplier must make as good as possible an estimate regarding whether he will be able to sell his entire supply at the price set.
“Similarly, immaterial consumer services such as the prices of entertainment, concerts, physicians, domestic servants, etc., can scarcely be accounted for by costs embodied in a product.”
Now, let us say that, for whatever reasons, the supply of a good has risen. All other things being equal, if the supplier wants to sell his entire expanded supply he will have to lower the price. The lower price will enable the entrance of various individuals that, prior to the increase in the supply of the good, couldn’t afford the good. Prior to the increase in the supply, the incomes of those individuals were completely absorbed in accommodating much higher priority goods and services. By lowering the price, the supplier effectively expands the means in these individuals’ possession, which enables them to attain another end—their living standards have now gone up.
Now, the calculation of the supplier indicates to him that his profit per unit of a good has decreased on account of a decline in the price, however, the total profit, because of the increase in the stock sold, has increased. Hence, the supplier’s pool of means has now expanded and he also can now aim at new goals. What we have here is an expansion of means that have lifted the living standards of the seller and the buyers.
Contrary to the popular way of thinking, the prices of goods are not set by the dubious mental value scale that does not change, but by the goal-seeking individuals. It is the importance of various ends to individuals that determine the selection of goods by them, therefore, they ultimately set the price. The importance of ends is established with respect to the subjective preferences of individuals.